Spa



FIG. 1 is a perspective view from the upper right of the spa;

FIG. 2 is a top view of the spa;

FIG. 3 is a right side view of the design of FIG. 1;

FIG. 4 is a front view of the spa;

FIG. 5 is a left side view of the design of FIG. 1; and,

FIG. 6 is a rear view of the spa.

The ornamental design which is claimed is shown in solid lines in the drawings. The broken lines in the drawings are for illustrative purposes only and form no part of the claimed design. 

We claim the ornamental design for an spa, as shown and described. 